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Michael Janssen
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Spring, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cutting elements having cutting edges with continuous varying radii...
Patent number
RE48524
Issue date
Apr 20, 2021
Smith International, Inc.
Yuelin Shen
Information
Patent Grant
Cutting elements having cutting edges with continuous varying radii...
Patent number
9,145,743
Issue date
Sep 29, 2015
Smith International, Inc.
Yuelin Shen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond materials having improved abrasion resistan...
Patent number
8,852,546
Issue date
Oct 7, 2014
Smith International, Inc.
Madapusi K. Keshavan
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Cutting elements having cutting edges with continuous varying radii...
Patent number
8,499,860
Issue date
Aug 6, 2013
Smith International, Inc.
Yuelin Shen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond materials having improved abrasion resistan...
Patent number
8,309,050
Issue date
Nov 13, 2012
Smith International, Inc.
Madapusi K. Keshavan
B24 - GRINDING POLISHING
Information
Patent Grant
Thermally stable ultra-hard material compact constructions
Patent number
8,066,087
Issue date
Nov 29, 2011
Smith International, Inc.
Anthony Griffo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polycrystalline diamond materials having improved abrasion resistan...
Patent number
7,493,973
Issue date
Feb 24, 2009
Smith International, Inc.
Madapusi K. Keshavan
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
POLYCRYSTALLINE DIAMOND MATERIALS HAVING IMPROVED ABRASION RESISTAN...
Publication number
20150021101
Publication date
Jan 22, 2015
Smith International, Inc.
Madapusi K. Keshavan
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING ELEMENTS HAVING CUTTING EDGES WITH CONTINUOUS VARYING RADII...
Publication number
20140041948
Publication date
Feb 13, 2014
Smith International. Inc.
YUELIN SHEN
E21 - EARTH DRILLING MINING
Information
Patent Application
POLYCRYSTALLINE DIAMOND MATERIALS HAVING IMPROVED ABRASION RESISTAN...
Publication number
20130067827
Publication date
Mar 21, 2013
Smith International, Inc.
Madapusi K. Keshavan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Polycrystalline Diamond Materials Having Improved Abrasion Resistan...
Publication number
20090166094
Publication date
Jul 2, 2009
Smith International, Inc.
Madapusi K. Keshavan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
THERMALLY STABLE ULTRA-HARD MATERIAL COMPACT CONSTRUCTIONS
Publication number
20080142276
Publication date
Jun 19, 2008
Smith International, Inc.
Anthony GRIFFO
E21 - EARTH DRILLING MINING
Information
Patent Application
Cutting elements having cutting edges with continuous varying radii...
Publication number
20070131458
Publication date
Jun 14, 2007
Yuelin Shen
E21 - EARTH DRILLING MINING
Information
Patent Application
Stress balanced cutting structure
Publication number
20070078632
Publication date
Apr 5, 2007
Smith International, Inc.
Yuelin Shen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Polycrystalline diamond materials having improved abrasion resistan...
Publication number
20060266559
Publication date
Nov 30, 2006
Smith International, Inc.
Madapusi K. Keshavan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL